<template>
  <el-upload
    class="avatar-uploader"
    action="#"
    :show-file-list="false"
    :before-upload="beforeAvatarUpload"
    :http-request="upload"
  >
    <img v-if="value" :src="value" class="">
    <i v-else class="el-icon-plus avatar-uploader-icon" />
    <el-progress v-if="showPercent" :percentage="percent" />
  </el-upload>
</template>

<style>
  .avatar-uploader .el-upload {
    border: 1px dashed #d9d9d9;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }
  .avatar-uploader .el-upload:hover {
    border-color: #409EFF;
  }
  .avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 178px;
    height: 178px;
    line-height: 178px;
    text-align: center;
  }
  .avatar {
    width: 178px;
    height: 178px;
    display: block;
  }
</style>

<script>
const COS = require('cos-js-sdk-v5')

// SECRETID 和 SECRETKEY请登录 https://console.cloud.tencent.com/cam/capi 进行查看和管理
const cos = new COS({
  SecretId: 'AKID74xhFbjvviMo21oOkApLgppdHmDSVVK2',
  SecretKey: 'ZutxpeJkz60jIcliV7W2XxA9wb8cyGTX'
})
export default {
  props: {
    value: {
      type: String,
      default: ''
    }
  },
  data() {
    return {
      imageUrl: '',
      percent: 0,
      showPercent: false
    }
  },
  methods: {
    upload(res) {
      if (res) {
        this.showPercent = true
        cos.putObject({
          Bucket: 'wh84-1257017897', /* 填入您自己的存储桶，必须字段 */
          Region: 'ap-nanjing', /* 存储桶所在地域，例如ap-beijing，必须字段 */
          Key: res.file.name, /* 存储在桶里的对象键（例如1.jpg，a/b/test.txt），必须字段 */
          StorageClass: 'STANDARD', /* 上传模式 标准模式*/
          Body: res.file, /* 必须，上传文件对象，可以是input[type="file"]标签选择本地文件后得到的file对象 */

          // 进度条
          onProgress: (progressData) => {
            console.log(progressData, 'progressData')
            this.percent = progressData.percent * 100
          }
        }, (err, data) => {
          console.log(err || data)
          // this.imageUrl = `https://${data.Location}`
          this.$emit('input', `https://${data.Location}`)
        })
        this.showPercent = false
      }
    },
    handleAvatarSuccess(res, file) {
      this.imageUrl = URL.createObjectURL(file.raw)
    },
    beforeAvatarUpload(file) {
      const isJPG = file.type === 'image/jpeg'
      const isLt2M = file.size / 1024 / 1024 < 2

      if (!isJPG) {
        this.$message.error('上传头像图片只能是 JPG 格式!')
      }
      if (!isLt2M) {
        this.$message.error('上传头像图片大小不能超过 2MB!')
      }
      return isJPG && isLt2M
    }
  }
}
</script>
